Perpetual Pro Margin Modes: Cross & Isolated
BTCC Support14 days ago
Overview
On the BTCC trading platform, users must first transfer assets into their Contract Pro account to access and experience the upgraded Contract Pro trading system. Trading data and asset data in the new Contract Pro system are separated from the legacy contract system and do not affect each other. Users can choose between Cross Margin or Isolated Margin modes in the Contract Pro system.
What is Cross Margin Mode?
In Cross Margin mode, all trading pairs settled in the same asset share a common margin balance. That is, all cross positions using the same settlement currency (for both contracts and leveraged tokens) share margin and can offset profits and losses across positions.
What is Isolated Margin Mode?
In Isolated Margin mode, margin and PnL (Profit and Loss) are calculated separately for each position. Risks and returns are isolated, and the user is solely responsible for the PnL of each individual position. If forced liquidation occurs, only the margin of that specific position is lost, minimizing potential losses. In short, each position has its own dedicated margin, and in the event of liquidation, the maximum loss is limited to that margin.
Contract Pro Account Asset Fields
| Term | Explanation |
| Total Equity |
The total equity of a specific asset in the account, including both cross and isolated margin positions. Total Equity = Account Balance + Cross Margin Position PnL + Isolated Position Margin Balance + Isolated Position PnL |
| Available Margin (Cross) |
The amount of margin currently available for opening cross margin perpetual contract positions under a specific asset. Available Margin = Account Balance + ∑ Unrealized PnL of Cross Positions |
| PnL (Profit and Loss) | PnL = ∑ Unrealized PnL of Cross Positions + ∑ Unrealized PnL of Isolated Positions |
| Transferable |
If Unrealized PnL (Cross) > 0: Transferable = Available Margin - Unrealized PnL (Cross) If Unrealized PnL (Cross) < 0: Transferable = Available Margin |
| Margin Ratio | Margin Ratio = (Account Balance + ∑ Unrealized PnL of Cross Positions) / ∑ [Position Size × Mark Price × (Maintenance Margin Rate + Liquidation Fee Rate)] |
| Maintenance Margin | Maintenance Margin = ∑ Maintenance Margin of Cross Positions + ∑ Maintenance Margin of Isolated Positions |
| Available Margin (Isolated) |
The amount available for opening new isolated positions when switched to isolated margin mode. Available Margin (Isolated) = Max(0, Available Margin (Cross) - ∑ Unrealized PnL of Cross Positions) Note: This field is used for order calculation only and is not displayed in asset information. |
Trading Rule Description
Cross Margin Order Validation Rules
- When placing a perpetual contract order under Cross Margin mode, the available margin in the account must be greater than or equal to the required margin for that order.
Perpetual Contracts under Cross Margin
In Contract Pro mode, perpetual contracts support One-Way and Hedge (Two-Way) position modes.
Position Fields
| Term | Explanation |
| Position Size | In One-Way Position Mode, long positions are represented by positive numbers, and short positions are represented by negative numbers. |
| Average Entry Price |
USDT-Margined Contracts: (Previous Position Size × Previous Entry Price + New Position Size × New Entry Price) / (Previous Position Size + New Position Size) |
| PnL (Profit and Loss) |
Current unrealized profit or loss of the position. USDT-Margined Contracts: **Long PnL = Contract Size × |
| Return Rate | Return Rate = PnL / Initial Margin |
| Initial Margin |
USDT-Margined Contracts: **Initial Margin = Contract Size × |
| Maintenance Margin |
USDT-Margined Contracts: **Maintenance Margin = Contract Size × |
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